

int32 id

Point pt_start
Point pt_end

int32[] predecessors
int32[] successors

Point[] pts_center
Point[] pts_left
Point[] pts_right

float64[] len_integral


float64 speed_limit


## not used

uint8 line_left_type
uint8 line_right_type








## dynamic

int32 resign_id
float32 residual_len
